147434690 has 16 divisors (see below), whose sum is σ = 285796728. Its totient is φ = 54437376.

The previous prime is 147434671. The next prime is 147434713. The reversal of 147434690 is 96434741.

It can be written as a sum of positive squares in 4 ways, for example, as 59243809 + 88190881 = 7697^2 + 9391^2 .

It is a super-2 number, since 2×147434690² = 43473975630792200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566927 + ... + 567186.

Almost surely, 2^147434690 is an apocalyptic number.

147434690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147434690 is a deficient number, since it is larger than the sum of its proper divisors (138362038).

147434690 is a wasteful number, since it uses less digits than its factorization.

147434690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134133.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 147434690 is about 12142.2687336428. The cubic root of 147434690 is about 528.2829086297.

The spelling of 147434690 in words is "one hundred forty-seven million, four hundred thirty-four thousand, six hundred ninety".